I just got my refurb m7ncg (m-atx nf2 board). I hook it up and set vcore to 2.0 (max) and I notice I'm gettin 2.2vcore.. I turn down voltage and notice an ~.15-.2vcore overvolt.
"Interesting" I say to myself, assuming the board had a pencil vcore mod that the guy who rma'ed it had done and not removed. Anyways, I prime it for awhile at ~.1.55vcore, then I decide that my 92mm Tornado is a bit overkill, so I shut down and swap it for an 80mm panaflo. I start loading windows and the system locks.
"I can't be running that hot at 1.55v 2400mhz" I think. So I go to bios and check my temps. Lo and behold, the overvolting is gone. I'm getting 1.375vcore to my cpu.
Anyone else seen a tornado fan cause a board to overvolt cpu? It's the damnest thing I've ever heard of.